/*
 * VRO International - Modern Metallic Gray Theme Styles
 * Updated Color Palette:
 * Primary Dark Gray: #2c3e50
 * Primary Gray: #34495e
 * Accent Gray: #7f8c8d
 * Light Gray: #ecf0f1
 * Dark Metallic: #1a252f
 * White: #ffffff
 * Text Dark: #2c3e50
 * Text Muted: #95a5a6
 */

:root {
    --color-primary: #2c3e50;
    --color-primary-dark: #1a252f;
    --color-accent: #7f8c8d;
    --color-light-gray: #ecf0f1;
    --color-white: #ffffff;
    --color-text-dark: #2c3e50;
    --color-text-muted: #717879;
    --color-border: #bdc3c7;
    --color-metallic: #34495e;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', 'Segoe UI', 'Arial', sans-serif;
    color: var(--color-text-dark);
    background-color: var(--color-white);
    line-height: 1.6;
    padding-top: 70px;
}

a {
    text-decoration: none;
    color: var(--color-text-dark);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ----------------------------------------------------------------
   1. Fixed Header and Navigation
   ---------------------------------------------------------------- */

header {
    background-color: var(--color-white);
    color: var(--color-text-dark);
    padding: 15px 0;
    box-shadow: 0 2px 10px rgba(44, 62, 80, 0.08);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    color: var(--color-primary);
    font-size: 1.5em;
    font-weight: 700;
    letter-spacing: 0.5px;
    transition: color 0.3s ease;
}

.logo a {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: inherit;
}

.logo-image {
    height: 60px; /* adjust as needed */
    margin-right: 10px;
}

.logo a:hover {
    color: var(--color-metallic);
}

.nav-links {
    list-style: none;
    display: flex;
}

.nav-links li {
    margin-left: 40px;
}

.nav-links a {
    color: var(--color-text-dark);
    font-weight: 500;
    padding: 8px 0;
    position: relative;
    transition: color 0.3s ease;
    font-size: 0.95em;
}

.nav-links a:hover {
    color: var(--color-accent);
}

.nav-links .active a {
    color: var(--color-metallic);
}

.nav-links .active a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--color-metallic);
    border-radius: 2px;
}

/* ----------------------------------------------------------------
   2. Buttons
   ---------------------------------------------------------------- */

.btn {
    display: inline-block;
    padding: 14px 32px;
    font-weight: 600;
    border-radius: 8px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    font-size: 0.95em;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--color-metallic);
    color: var(--color-white);
    border-color: var(--color-metallic);
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(44, 62, 80, 0.3);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
}

.btn-secondary:hover {
    background-color: var(--color-white);
    border-color: var(--color-white);
    color: var(--color-primary);
    transform: translateY(-2px);
}

/* ----------------------------------------------------------------
   3. Main Content Sections
   ---------------------------------------------------------------- */

section {
    padding: 80px 0;
}

h2 {
    font-size: 2.5em;
    font-weight: 700;
    color: var(--color-primary);
    text-align: center;
    margin-bottom: 20px;
}

.section-description {
    text-align: center;
    color: var(--color-text-muted);
    max-width: 800px;
    margin: 0 auto 40px;
    font-size: 1.1em;
    line-height: 1.8;
}

/* ----------------------------------------------------------------
   4. Hero Section with Parallax
   ---------------------------------------------------------------- */

#hero {
    background: linear-gradient(135deg, rgba(26, 37, 47, 0.95) 0%, rgba(52, 73, 94, 0.9) 100%),
                url('https://images.unsplash.com/photo-1541888946425-d81bb19240f5?w=1920&q=80') center center/cover no-repeat;
    background-attachment: fixed;
    color: var(--color-white);
    text-align: center;
    padding: 120px 0 100px;
    position: relative;
    overflow: hidden;
    min-height: 600px;
    display: flex;
    align-items: center;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-icon {
    font-size: 4em;
    margin-bottom: 20px;
    filter: drop-shadow(0 0 20px rgba(255, 255, 255, 0.3));
}

.hero-content h1 {
    font-size: 3.5em;
    margin-bottom: 15px;
    font-weight: 800;
    color: var(--color-white);
}

.hero-subtitle {
    font-size: 1.5em;
    margin-bottom: 20px;
    font-weight: 600;
    color: var(--color-white);
}

.hero-description {
    font-size: 1.1em;
    margin-bottom: 40px;
    color: rgba(255, 255, 255, 0.9);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ----------------------------------------------------------------
   5. About Section
   ---------------------------------------------------------------- */

#about {
    background-color: var(--color-white);
}

#about p {
    margin-bottom: 20px;
}

/* ----------------------------------------------------------------
   6. Why Choose Us Section
   ---------------------------------------------------------------- */

#why-choose-us {
    background-color: var(--color-light-gray);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    padding-top: 20px;
}

.benefit-card {
    background-color: var(--color-white);
    padding: 35px 30px;
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    border-left: 4px solid var(--color-metallic);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
}

.benefit-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, transparent 0%, rgba(127, 140, 141, 0.03) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.benefit-card:hover {
    transform: translateX(5px);
    box-shadow: 0 4px 20px rgba(44, 62, 80, 0.15);
    border-left-width: 6px;
}

.benefit-card:hover::before {
    opacity: 1;
}

.benefit-card h3 {
    color: var(--color-primary);
    margin-bottom: 15px;
    font-size: 1.3em;
    font-weight: 600;
    position: relative;
}

.benefit-card p {
    color: var(--color-text-muted);
    line-height: 1.7;
    font-size: 0.95em;
}

/* ----------------------------------------------------------------
   7. Product Range Section
   ---------------------------------------------------------------- */

#product-range {
    background: linear-gradient(135deg, rgba(26, 37, 47, 0.95) 0%, rgba(52, 73, 94, 0.9) 100%),
                url('https://images.unsplash.com/photo-1504917595217-d4dc5ebe6122?w=1920&q=80') center center/cover no-repeat;
    background-attachment: fixed;
    color: var(--color-white);
    text-align: center;
    padding: 100px 0;
}

#product-range h2 {
    color: var(--color-white);
}

#product-range .section-description {
    color: rgba(255, 255, 255, 0.9);
}

.product-range-icon {
    font-size: 3em;
    margin-bottom: 20px;
    filter: drop-shadow(0 0 20px rgba(255, 255, 255, 0.3));
}

/* ----------------------------------------------------------------
   8. Contact CTA Section
   ---------------------------------------------------------------- */

#contact-cta {
    background-color: var(--color-light-gray);
    text-align: center;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.contact-card {
    background-color: var(--color-white);
    padding: 40px 30px;
    border-radius: 8px;
    text-align: left;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    border-top: 3px solid var(--color-metallic);
}

.contact-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(44, 62, 80, 0.15);
}

.contact-card h3 {
    color: var(--color-metallic);
    margin-bottom: 15px;
    font-size: 1.2em;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.contact-card p {
    color: var(--color-text-dark);
    margin-bottom: 8px;
    font-size: 1em;
    font-weight: 500;
}

.contact-card .contact-hours {
    color: var(--color-text-muted);
    font-size: 0.9em;
    font-weight: 400;
    font-style: italic;
    margin-top: 10px;
}

/* ----------------------------------------------------------------
   9. Footer
   ---------------------------------------------------------------- */

footer {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 60px 0 20px;
    font-size: 0.9em;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 1.2em;
    margin-bottom: 20px;
    color: var(--color-light-gray);
    font-weight: 600;
}

.footer-section a, .footer-section p {
    color: rgba(255, 255, 255, 0.8);
    display: block;
    margin-bottom: 10px;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--color-light-gray);
}

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icons a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    font-size: 1.3em;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--color-white);
    transition: all 0.3s ease;
}

.social-icons a:hover {
    background-color: var(--color-accent);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    margin-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.6);
}

/* ----------------------------------------------------------------
   10. Page Headers (Products & Contact)
   ---------------------------------------------------------------- */

#products-hero,
#contact-hero {
     background: linear-gradient(135deg, rgba(26, 37, 47, 0.95) 0%, rgba(52, 73, 94, 0.9) 100%),
                url('https://images.unsplash.com/photo-1504917595217-d4dc5ebe6122?w=1920&q=80') center center/cover no-repeat;
    background-attachment: fixed;
    color: var(--color-white);
    text-align: center;
    padding: 100px 0 80px;
    margin-bottom: 0;
}

.page-header h1 {
    font-size: 3em;
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: 15px;
}

.page-header p {
    font-size: 1.3em;
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
    margin: 0 auto;
}

/* ----------------------------------------------------------------
   11. Products Page Specific Styles
   ---------------------------------------------------------------- */

#products {
    background-color: var(--color-light-gray);
    padding: 80px 0;
}

#products .product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    padding-top: 20px;
}

.product-card {
    background-color: var(--color-white);
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid var(--color-border);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(44, 62, 80, 0.2);
    border-color: var(--color-metallic);
}

/* Product Image Container with Navigation */
.product-image-container {
    position: relative;
    width: 100%;
    height: 220px;
    overflow: hidden;
}

.product-main-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.product-card:hover .product-main-image {
    transform: scale(1.05);
}

/* Image Navigation Buttons */
.image-nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(44, 62, 80, 0.8);
    color: var(--color-white);
    border: none;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 10;
}

.product-card:hover .image-nav-btn {
    opacity: 1;
}

.image-nav-btn:hover {
    background-color: rgba(26, 37, 47, 0.95);
    transform: translateY(-50%) scale(1.1);
}

.prev-btn {
    left: 10px;
}

.next-btn {
    right: 10px;
}

/* Product Info */
.product-info {
    padding: 30px;
}

.product-info h3 {
    color: var(--color-primary);
    margin-bottom: 15px;
    font-size: 1.5em;
    font-weight: 600;
}

.product-info p {
    color: var(--color-text-muted);
    margin-bottom: 20px;
    line-height: 1.7;
}

/* Product Variations */
.product-variations {
    margin-bottom: 20px;
    padding: 15px;
    background-color: var(--color-light-gray);
    border-radius: 6px;
    border-left: 3px solid var(--color-accent);
}

.product-variations h4 {
    color: var(--color-primary);
    font-size: 0.9em;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.variation-tags {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.variation-tag {
    display: inline-block;
    padding: 6px 14px;
    background-color: var(--color-accent);
    color: var(--color-white);
    border-radius: 20px;
    font-size: 0.85em;
    font-weight: 600;
}

/* Product Specifications Styling */
.product-specs {
    margin-top: 20px;
}

.spec-group {
    margin-bottom: 15px;
    padding: 12px 15px;
    background-color: var(--color-light-gray);
    border-radius: 6px;
    border-left: 3px solid var(--color-metallic);
}

.spec-group strong {
    display: block;
    color: var(--color-primary);
    font-size: 0.9em;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.thickness-tags {
    display: block;
    color: var(--color-text-muted);
    font-size: 0.85em;
    line-height: 1.6;
}

.type-badges {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 5px;
}

.badge {
    display: inline-block;
    padding: 6px 14px;
    background-color: var(--color-metallic);
    color: var(--color-white);
    border-radius: 20px;
    font-size: 0.85em;
    font-weight: 600;
}

/* Image Modal */
.image-modal {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: rgba(26, 37, 47, 0.95);
    align-items: center;
    justify-content: center;
}

.modal-content {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    animation: modalZoom 0.3s ease;
}

@keyframes modalZoom {
    from {
        transform: scale(0.7);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 35px;
    color: var(--color-white);
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s ease;
    z-index: 10000;
}

.modal-close:hover {
    color: var(--color-light-gray);
}

.modal-nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(255, 255, 255, 0.2);
    color: var(--color-white);
    border: 2px solid var(--color-white);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    font-size: 1.2em;
}

.modal-nav-btn:hover {
    background-color: var(--color-white);
    color: var(--color-primary);
}

.modal-prev {
    left: 30px;
}

.modal-next {
    right: 30px;
}

.modal-caption {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--color-white);
    font-size: 1.1em;
    text-align: center;
    padding: 10px 20px;
    background-color: rgba(44, 62, 80, 0.8);
    border-radius: 8px;
}

/* CTA Banner */
#cta-banner {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: var(--color-white);
    text-align: center;
    padding: 60px 20px;
    border-radius: 0;
    margin: 0;
}

#cta-banner h2 {
    color: var(--color-white);
    margin-bottom: 15px;
    font-size: 2.5em;
}

#cta-banner p {
    font-size: 1.2em;
    margin-bottom: 30px;
    color: rgba(255, 255, 255, 0.9);
}

#cta-banner .btn {
    background-color: var(--color-white);
    color: var(--color-primary);
    border-color: var(--color-white);
    font-weight: 700;
    padding: 16px 40px;
}

#cta-banner .btn:hover {
    background-color: var(--color-light-gray);
    color: var(--color-primary-dark);
    border-color: var(--color-light-gray);
    transform: translateY(-3px);
}

/* ----------------------------------------------------------------
   12. Contact Page Specific Styles
   ---------------------------------------------------------------- */

#contact-info {
    padding: 80px 0;
    background-color: var(--color-light-gray);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 35px;
}

.contact-detail {
    background-color: var(--color-white);
    padding: 40px 35px;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    border-left: 4px solid var(--color-metallic);
    transition: all 0.3s ease;
}

.contact-detail:hover {
    transform: translateX(5px);
    box-shadow: 0 6px 20px rgba(44, 62, 80, 0.15);
    border-left-width: 6px;
}

.contact-detail h3 {
    color: var(--color-primary);
    margin-bottom: 20px;
    font-size: 1.4em;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.contact-detail p {
    color: var(--color-text-dark);
    margin-bottom: 10px;
    font-size: 1.05em;
}

.contact-detail .detail-meta {
    color: var(--color-text-muted);
    font-size: 0.9em;
    font-style: italic;
    margin-top: 15px;
}

/* Contact Form Section */
#contact-form-section {
    background-color: var(--color-white);
    padding: 80px 0;
}

.contact-form {
    background-color: var(--color-light-gray);
    padding: 50px 40px;
    border-radius: 12px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
    max-width: 800px;
    margin: 0 auto;
    border: 1px solid var(--color-border);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-bottom: 25px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: var(--color-primary);
    font-size: 0.95em;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid var(--color-border);
    border-radius: 8px;
    font-size: 1em;
    transition: all 0.3s ease;
    background-color: var(--color-white);
    color: var(--color-text-dark);
    font-family: inherit;
}

.form-group select {
    cursor: pointer;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-metallic);
    box-shadow: 0 0 0 3px rgba(52, 73, 94, 0.1);
    outline: none;
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
    line-height: 1.6;
}

.form-submit-btn {
    width: 100%;
    padding: 18px;
    font-size: 1.1em;
    cursor: pointer;
    margin-top: 10px;
}

/* Form Success Message */
.form-message {
    background-color: var(--color-light-gray);
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.success-message {
    border: 2px solid #10b981;
    background-color: #ecfdf5;
}

.success-message p {
    color: #059669;
    font-size: 1.2em;
    font-weight: 600;
    margin: 0;
}

/* Map Section */
#map-section {
    background-color: var(--color-light-gray);
    padding: 80px 0;
}

.map-container {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    border: 2px solid var(--color-border);
    height: 450px;
    position: relative;
}

.map-container iframe {
    width: 100%;
    height: 100%;
    border: 0;
    display: block;
}

/* ----------------------------------------------------------------
   13. Media Queries (Responsiveness)
   ---------------------------------------------------------------- */

@media (max-width: 768px) {
    body {
        padding-top: 60px;
    }

    .navbar {
        flex-direction: column;
        text-align: center;
    }

    .nav-links {
        margin-top: 15px;
        justify-content: center;
    }

    .nav-links li {
        margin: 0 15px;
    }

    .hero-content h1 {
        font-size: 2.5em;
    }

    .hero-subtitle {
        font-size: 1.2em;
    }

    .hero-description {
        font-size: 1em;
    }

    .hero-actions {
        flex-direction: column;
        gap: 15px;
    }

    .hero-actions .btn {
        width: 100%;
    }

    h2 {
        font-size: 2em;
    }

    .page-header h1 {
        font-size: 2.2em;
    }

    .page-header p {
        font-size: 1.1em;
    }

    section {
        padding: 50px 0;
    }

    .benefits-grid {
        grid-template-columns: 1fr;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .info-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .contact-form {
        padding: 35px 25px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .social-icons {
        justify-content: center;
    }

    #products .product-grid {
        grid-template-columns: 1fr;
    }

    #cta-banner {
        padding: 40px 20px;
    }

    #cta-banner h2 {
        font-size: 2em;
    }

    #cta-banner p {
        font-size: 1em;
    }

    .modal-nav-btn {
        width: 40px;
        height: 40px;
    }

    .modal-prev {
        left: 10px;
    }

    .modal-next {
        right: 10px;
    }

    .modal-close {
        top: 10px;
        right: 15px;
        font-size: 30px;
    }
}